[Accessibility] Remove "Edit Box" from CCT urlbar's content description

chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java b/chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java
index 0479f00f161e7a2872705710a3e01c1f080d7099..11eeae5719087704627bf7fe72432ad4334ed69d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/omnibox/UrlBar.java
@@ -30,6 +30,7 @@ import android.view.inputmethod.BaseInputConnection;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputConnectionWrapper;
+import android.widget.TextView;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Log;
@@ -1160,6 +1161,17 @@ public class UrlBar extends VerticallyFixedEditText {
         return mIsPastedText;
     }
 
+    @Override
+    public CharSequence getAccessibilityClassName() {
+        // When UrlBar is used as a read-only TextView, force Talkback to pronounce it like
+        // TextView. Otherwise Talkback will say "Edit box, http://...". crbug.com/636988
+        if (isEnabled()) {
+            return super.getAccessibilityClassName();
+        } else {
+            return TextView.class.getName();
+        }
+    }
+
     private void notifyAutocompleteTextStateChanged(boolean textDeleted) {
         if (mUrlBarDelegate == null) return;
         if (!hasFocus()) return;